disagreement/docs/context_menus.md

Context Menu Commands

disagreement supports Discord's user and message context menu commands. Use the user_command and message_command decorators from ext.app_commands to define them.

from disagreement.ext.app_commands import user_command, message_command, AppCommandContext
from disagreement.models import User, Message

@user_command(name="User Info")
async def user_info(ctx: AppCommandContext, user: User) -> None:
    await ctx.send(f"User: {user.username}#{user.discriminator}")

@message_command(name="Quote")
async def quote(ctx: AppCommandContext, message: Message) -> None:
    await ctx.send(message.content)

Add the commands to your client's handler and run sync_commands() to register them with Discord.